45728093 has 4 divisors (see below), whose sum is σ = 45765180. Its totient is φ = 45691008.

The previous prime is 45728083. The next prime is 45728119. The reversal of 45728093 is 39082754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26604964 + 19123129 = 5158^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 45728093 - 2⁴ = 45728077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45728083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16628 + ... + 19181.

It is an arithmetic number, because the mean of its divisors is an integer number (11441295).

Almost surely, 2^45728093 is an apocalyptic number.

It is an amenable number.

45728093 is a deficient number, since it is larger than the sum of its proper divisors (37087).

45728093 is a wasteful number, since it uses less digits than its factorization.

45728093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37086.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 45728093 is about 6762.2550232892. The cubic root of 45728093 is about 357.5974090277.

The spelling of 45728093 in words is "forty-five million, seven hundred twenty-eight thousand, ninety-three".